423318844 has 48 divisors (see below), whose sum is σ = 817296480. Its totient is φ = 190644480.

The previous prime is 423318823. The next prime is 423318859. The reversal of 423318844 is 448813324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741079 + ... + 741649.

It is an arithmetic number, because the mean of its divisors is an integer number (17027010).

Almost surely, 2^423318844 is an apocalyptic number.

It is an amenable number.

423318844 is a deficient number, since it is larger than the sum of its proper divisors (393977636).

423318844 is a wasteful number, since it uses less digits than its factorization.

423318844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 423318844 is about 20574.7137039620. The cubic root of 423318844 is about 750.8546370168.

The spelling of 423318844 in words is "four hundred twenty-three million, three hundred eighteen thousand, eight hundred forty-four".